Rothmannia capensis Thunb.

wild gardenia, common Rothmannia

Afr

wildekatjiepiering

isiZulu

umPhazane-mkhlu

IsiXhosa

iBolo

Description

Family:

Rubiaceae

Order:

Gentianales

Description

Evergreen tree (4 – 20 m) with glossy, dark green leaves clustered at branch tips. Bell-shaped, creamy-white flowers (Dec – Feb) with maroon streaks and intense fragrance. Large, hard, spherical fruits (70 mm) persist until dry season.Ecological role: Key food source for frugivores; critical for forest understory regeneration. Valued in gardens for shade and fragrance.

Plant Details

Height

4 - 20 m (shorter in open areas, taller in forests).

Thorns

Absent.

Soil

Prefers deep, well-drained loam or sandy soils.

Moderate (0.5 - 0.7 m/year).

Growth Rate

4 - 20 m (shorter in open areas, taller in forests).

Size

50 - 100+ years.

Lifespan

Flower Colour

Flowering Season

, , , ,

Horticultural Zones

5.5 - 7.0 (acidic to neutral).

pH

Prefers deep, well-drained loam or sandy soils.

Soil

Partial shade to full sun (shade-tolerant when young).

Aspect

Low (damaged below -2°C).

Frost Tolerance

Low.

Drought Resistance

Link to PlantzAfrica.co.za

Distribution

, , , ,

Companion Plants

Trichocladus ellipticus,Podocarpus latifolius,Halleria lucida(forest guild species).

Caterpillars

Key Lepidoptera:Nephele comma(hawk moth). No specific caterpillar data documented.

Associations

Descriptions

Insects: Flowers attract hawk moths (Nephele comma), bees, and beetles.Wildlife: Fruits eaten by samango monkeys, bushbuck, and Knysna louries.Primates: Vervet monkeys disperse seeds.Soil: Improves soil moisture retention; not a nitrogen fixer.Ecosystem Services: Seed dispersal by primates/birds aids forest regeneration.

Flowers and fruits

Flowers: Scented, night-blooming; pollinated by moths.Fruits: 70 mm, hard-shelled; split to release seeds eaten by birds/mammals.Seed dispersal: Primates, birds, gravity.

Birds

Fruit-eaters: Knysna louries, hornbills.Insectivores: Attract arthropods for flycatchers.Nesting: Dense foliage used by robins.

By Seeds:

Collection: Collect ripe brown fruits.Storage: Sow fresh (viability <6 months).Germination: Soak seeds 24h, plant in sandy soil; 70% success in 14 days.

By Cuttings:

Low success (<20%); semi-hardwood cuttings with rooting hormone in mist beds.

Traditional Uses

Medicinal: Root infusions treat skin conditions.Cultural: Sacred in some Zulu rituals.Toxicity: Non-toxic.Fodder: Not used for livestock.

Plant Details

Height

Description

Thorns

Description

Leaves

Description

Size

Growth Form

Size

Size

Size

Lifespan

Size

Flower Colour

Size

Flowering Season

Size

Horticultural Zones

Size

pH

Size

Soil

Size

Aspect

Size

Frost Tolerance

Size

Drought Resistance

Description

DESCRIPTION

Height

DESCRIPTION

Leaves

DESCRIPTION

Thorns

DESCRIPTION

BSS

Ecoscore

Host plant Nectar Grazing

Link to PlantzAfrica.co.za

View

Distribution

Companion Plants

Description

Caterpillars

Associations

Leaves

Leaves

Flowers and fruits

Leaves

Birds

Leaves

Mammals

Leaves

By Seeds:

Leaves

By Cuttings:

Leaves

Traditional Uses

traditional uses